Legacy Modernization Services

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  • RECLAIM CONTROL

    Consolidate fragmented legacy systems into a streamlined ecosystem. Eliminate duplication and restore full visibility across your operations.

  • ACCELERATE DELIVERY

    Reduce infrastructure deployment time by over 70% by incorporating modern DevOps and automation into your delivery pipeline.

  • FUEL GROWTH

    Free up resources blocked by outdated infrastructure and redirect them toward initiatives that deliver measurable business impact.

Why It Matters

Turn Legacy Systems Into a Competitive Advantage

Legacy modernization services upgrade existing enterprise architectures into scalable, high-performing digital assets. As a US-based software development partner, Devox Software champions AI-native transformation, engineering seamless transitions from monolithic frameworks to modular, cloud-native platforms.

In particular, 72% of IT decision-makers regard legacy systems as impeding meeting customer expectations and slowing down digital product delivery. While 60% of CTOs report that legacy infrastructure is too expensive and inadequate for supporting modern digital apps. To modernize with clarity and measurable impact, Devox Software delivers application modernization solutions that align directly with business outcomes, removing friction at every level for long-term value. We prioritize rapid delivery, robust data security, and continuous business value. Our expert teams integrate advanced AI capabilities to accelerate code refactoring and infrastructure enhancements. This systematic AI-modernization approach guarantees improved operational velocity, resilient system performance, and sustained competitive advantage for global enterprise organizations.

Modernizing unstable systems? Launching new products?

We build development environments that deliver enterprise-grade scalability, compliance-driven security, and control baked in from day one.

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Why Choose Devox Software?

Why Choose Devox Software? We Tackle the Business Challenges

  • Modernize
  • Build
  • Innovate

Want to modernize legacy systems without disrupting operations?

Incremental modernization strategies (API layering, phased migration, cloud-native re-architecture, and AI-assisted code analysis) modernize systems step-by-step while keeping 99.95% uptime after modernization.

Need to connect modern technologies to your legacy platforms?

Secure APIs, middleware, and integration layers connect legacy systems to cloud platforms, AI tools, mobile apps, and third-party services, extending their lifespan.

Need to reduce technical debt and maintenance costs?

We replace rigid architectures, eliminate unsupported technologies, automate workflows, and optimize infrastructure, so operational overhead and long-term maintenance expenses become lower.

Need to get to market faster?

Thanks to the solution architecture, AI-assisted development, DevOps automation, and agile delivery processes combined, we shorten development cycles and bring products to market faster.

Need a platform that can scale as your business grows?

Yes. Even if you’re in the process of development or modernization, we transform and add cloud-native and API-first architectures that support scalability, high availability, multi-region deployment, and future expansion.

Need reliable software according to the highest standards?

Automated testing, CI/CD pipelines, and continuous QA help us deliver reliable software built for long-term growth.

Plan to improve business operations with AI-powered features?

Intelligent automation, predictive analytics, recommendation systems, and generative AI capabilities improve efficiency, decision-making, and customer experience. And we can build and implement them up to 30% faster than average in the market.

Looking for a competitive edge during digital transformation?

We help companies adopt modern technologies that support their business goals and long-term technology strategy.

Want innovation without rebuilding everything from scratch?

We often add modern capabilities through APIs, microservices, AI, and cloud platforms instead of replacing entire systems.

What We Offer

Legacy Modernization Services We Provide

  • .NET Migration

    When legacy .NET Framework code slows releases and hides value behind outdated APIs, we refactor any module into lean .NET 8 services that compile fast, run efficiently, and provide clean gRPC or REST endpoints.

    Automated dependency scanning, precise test harnesses with up to 50-80% automated test coverage increase, and incremental rollout ensure that every feature is traceable, while optimized container images reduce infrastructure spend by up to 35%. Through legacy app modernization, your team deploys features with a modern toolchain without impacting revenue.

    As part of our ASP.NET migration strategy, we decompose the user interface, authentication, and business logic into Razor, Blazor, or single-page front-ends supported by lean APIs. The result is faster load times, smooth horizontal scaling, and edge-ready security headers from day one.

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  • Legacy Application Migration Strategy

    We update runtimes, re-architect fragmented workflows, eliminate technical bottlenecks, optimize cloud and application performance for response times that are 30–60% faster, and integrate AI to deliver consistent, high-impact results.

    Every step links to performance: faster releases and reduced friction across the delivery pipeline. Our legacy application migration services rebuild unstable architectures, streamline integrations, and enable real-time analytics, automation, and intelligent decision-making, transforming outdated systems into resilient, scalable digital platforms that can handle 3–10x traffic spikes without degradation and are ready for long-term growth and innovation.

    Moreover, during legacy migration services, our engineers manage the transition from brittle monoliths to containerized .NET and Java services on Kubernetes by mapping domain boundaries, writing data in parallel until parity is proved, and enabling new paths behind feature flags. Hence, users experience continuous service while the platform gains flexibility for future change.

    For cloud apps, every quarter spent on-premises ties up capacity growth that cannot adapt to market demand. With our cloud application modernization services, we design your path to Azure, AWS, or hybrid cloud by packaging workloads as code and embedding compliance from the start. The result is elastic scaling capable of handling 5x traffic spikes, 99.95% uptime, and infrastructure savings of up to 35% through optimized cloud resource allocation.

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  • Legacy Database Modernization and Migration

    Devox Software modernizes legacy data environments by restructuring schemas, optimizing queries, migrating workloads, and introducing scalable cloud-native database architectures to eliminate performance bottlenecks, reporting delays, and adding 3x faster integration delivery.

    We consolidate fragmented data sources, improve transaction performance, implement real-time synchronization, and prepare systems for AI, analytics, and automation initiatives. Through intelligent migration strategies and parallel data validation, we reduce downtime risks while improving reliability, security, and scalability.

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  • DevOps and CI/CD Modernization

    We modernize DevOps environments with automated CI/CD pipelines, infrastructure as code, container orchestration, observability tooling, and release automation frameworks, which reduce release risks and speed up engineering to 2x faster deployments and 40-70% shorter release cycles.

    Our engineers establish resilient deployment workflows with automated testing, rollback strategies, feature flags, and blue-green deployments that reduce downtime and improve release confidence. The outcome is faster delivery cycles, improved software stability, and scalable operational efficiency across development teams.

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  • Code Quality Audit

    Devox Software’s services for auditing code quality thoroughly examine your codebase to find hidden hazards, technical debt, and security holes. Additionally, our AI Solution Accelerator™ checks design, performance, and compliance to ensure they meet industry standards while reducing manual effort by up to 35–50%. The outcome is a clear, actionable plan for making things more stable, fixing security holes, and preparing for scalable, efficient development.

    Furthermore, with Devox Software’s legacy software audit and assessment services, you may get a detailed picture of the health, dangers, and modernization needs of your system. We look at architecture, performance, and security to find technical debt, hidden dependencies, and holes in compliance. The result is a precise plan that cuts costs, minimizes risk, and helps with a smooth transformation that is ready for the future.

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  • Code Refactoring and Optimization

    By getting rid of technical debt and bottlenecks, Devox Software’s code refactoring and optimization services improve performance, security with 60% faster vulnerability remediation, and scalability. Our AI Solution Accelerator™ pipeline updates APIs, makes more efficient searches, and ensures OWASP, ISO 27001, GDPR, and PCI-DSS compliance. The result is a codebase that is clean, with a 40% reduction in maintenance overhead, and speeds up innovation.

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  • Re-Architecture

    With our app re-architecture services, we turn complex monoliths into simple functions. Our engineers break down domain boundaries, turn high-throughput modules into event-driven services, and direct data gravity to a purpose-built store. The result is a modular architecture that scales horizontally, recovers quickly, and encourages continuous experimentation without requiring a rewrite of the underlying code.

    Moreover, Devox Software’s legacy architecture services upgrade and stabilize old systems by finding hidden relationships and weak spots in their structure. Our AI Solution Accelerator™ maps out your architecture, makes it less complicated, and creates scalable, secure frameworks that support cloud adoption with 20-35% lower compute consumption and long-term growth while getting 25–45% lower infrastructure spend.

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  • Legacy Modernization in Manufacturing

    Modern manufacturing demands interconnected systems, real-time analytics, and automated control mechanisms. We modernize industrial software to establish a unified data environment across the entire production lifecycle. Our US-based engineering teams link shop-floor signals, supply chain planning, and quality assurance into a live, responsive control layer. This integration raises throughput metrics and optimizes overall equipment effectiveness (OEE). We implement robust Robotic Process Automation (RPA) to accelerate administrative workflows and enforce closed-loop control directly at the production line. By upgrading enterprise resource planning (ERP) systems, we secure complete visibility into inventory, resource allocation, and production timelines. Advanced data engineering pipelines consolidate diverse manufacturing data into actionable intelligence, empowering leadership to make rapid, informed decisions. The modernized infrastructure enables the smooth use of Industrial Internet of Things (IIoT) devices and predictive maintenance algorithms. We empower plant managers and executives to monitor performance metrics dynamically, optimize resource consumption, and adapt swiftly to changing market demands. Our approach ensures seamless integration with emerging technologies, creating a future-ready foundation for continuous industrial innovation.

  • Legacy Modernization in Automotive

    The automotive industry thrives on continuous innovation, connected mobility, and intelligent systems. Legacy modernization drives automotive software engineering by changing existing infrastructure into scalable, software-defined vehicle (SDV) architectures. We upgrade embedded systems and backend platforms to support advanced driver-assistance systems (ADAS) and predictive fleet management tools. Our software teams architect robust over-the-air (OTA) update infrastructures, ensuring vehicles receive continuous performance enhancements and security upgrades seamlessly. We modernize dealership operations and sales optimization platforms by integrating intelligent automation and real-time data analytics. This transformation provides complete visibility into supply chains, vehicle lifecycles, and customer engagement metrics. By incorporating AI-driven diagnostics and IoT-enabled connectivity, we empower automotive leaders to deliver personalized, proactive driver experiences. The modernized ecosystem ensures flawless communication between the vehicle, cloud platforms, and external service providers. We empower automotive brands to capture real-time telematics, optimize service schedules, and deliver premium digital experiences directly to the dashboard. Our US-based experts ensure that every system component contributes to enhanced vehicle performance, accelerated innovation cycles, and superior customer satisfaction.

  • Legacy Modernization in Banking & Finance

    Enterprise financial institutions require continuous availability, extreme transaction throughput, and absolute data security. Legacy modernization services upgrade core banking operations into agile, resilient digital ecosystems. We transition established financial applications to modular microservices architectures, which enable rapid transaction processing and seamless API integrations with modern fintech ecosystems. Our engineering teams implement intelligent automation across back-office workflows and compliance tracking to accelerate operations and guarantee complete accuracy. By integrating artificial intelligence directly into the transaction graph, we improve real-time data analysis and ensure proactive transaction integrity validation. The upgraded infrastructure provides fully audited change paths, ensuring strict regulatory alignment and comprehensive data governance across all operational tiers. We prioritize continuous service delivery throughout the entire modernization lifecycle, ensuring continuous customer access and total operational stability. Modernized financial platforms scale easily to support market growth, enabling institutions to launch new digital banking products more quickly. We empower your technical leadership to launch innovative services, capture new market segments, and maintain complete compliance control.

Our Approach

Legacy Modernization Strategies That We Execute

Our software modernization services take a holistic view of your legacy environment, encompassing applications, infrastructure, data systems, and integrations. We map dependencies, performance bottlenecks, and operational risks into a modernization strategy aligned with long-term business goals.

  • Strategic Modernization Goals

    We align modernization efforts with your organization’s strategic priorities, whether faster releases, lower operating costs, improved compliance, or increased scalability.

  • Legacy Systems Assessment

    We assess every component, from monoliths to aging APIs, based on business impact, risk, and modernization priority.

  • Technical Debt

    Our data modernization services use advanced discovery tools and system diagnostics to uncover hidden dependencies, outdated components, and architectural constraints that impact performance.

  • Target Architecture Design

    We design a scalable, cloud-native architecture that supports agility, encompassing event-driven systems, serverless models, modernized data platforms, and secure API layers.

  • Modernization Roadmap Delivery

    You get a step-by-step execution plan with timelines, KPIs, fallback protocols, and clear deliverables for each wave of modernization. The roadmap is actionable, predictable, and tailored to minimize risk while maximizing business continuity.

Value We Provide

Why Choose Devox Software as a Legacy Modernisation Partner

01

Proven Cloud-First Execution

Devox Software has 8 years of experience in transitioning complex legacy environments to modern cloud ecosystems. From mainframe decoupling to multi-region Kubernetes orchestration, our architects tailor each migration to achieve business-critical outcomes. We calibrate performance, compliance, and cost efficiency with cloud-native services in AWS, Azure, and GCP, ensuring every asset earns its place in your future state.

02

Tech Stack Built to Scale

Every modernization strategy we deliver integrates next-generation DevOps, serverless paradigms, and infrastructure-as-code. With Terraform, Pulumi, and GitOps workflows, your systems gain agility and auditability from the first commit. Layered automation through CI/CD pipelines, policy-as-code, and AI-driven QA creates a deployment engine that keeps up with your pace of innovation.

03

Enterprise-Grade Engineering Force

Our senior engineers bring deep expertise in legacy systems modernization, platform re-architecture, data restructuring, and security hardening at scale. We implement change in regulated industries, large portfolios, and mission-critical platforms. Every decision is tied to measurable business outcomes.

04

Accelerated Execution Through Tools and Patterns

Our proprietary accelerators help reduce delivery time and engineering overhead by up to 30%. Our toolchain, including AI Solution Accelerator™, cuts weeks of manual analysis. Our execution patterns remove decision drag. And our automation layer keeps every step testable, observable, and aligned with release velocity.

Case Studies

Our Latest Works

View All Case Studies
Stromcore Stromcore

Stromcore: Web Interface for Real-Time Battery Monitoring in a PaaS Logistics Platform

A web interface enabling real-time forklift battery tracking and predictive maintenance scheduling.

Additional Info

Core Tech:
  • React
  • TypeScript
  • Node.js
  • GraphQL
  • AWS
Country:

Canada Canada

From AI-Assisted Speed to Release-Ready Wallet Engineering

From AI-Assisted Speed to Release-Ready Wallet Engineering

Devox Software helped stabilize a self-custody wallet for launch by tightening mobile, backend, and QA work around transaction flows, secure recovery, and multi-network behavior.

Additional Info

Core Tech:
  • Blockchain
  • React Native
  • Kotlin
  • Swift
  • TypeScript
  • Node.js
  • REST APIs
  • SDK integrations
  • Ethereum
  • Polygon
Country:

Estonia Estonia

Scalable, AI-Powered TMS to Drive Market Expansion for a Logistics Company Scalable, AI-Powered TMS to Drive Market Expansion for a Logistics Company

Scalable, AI-Powered TMS to Drive Market Expansion for a Logistics Company

A logistics multi-module platform that helps manage parcel tracking, intelligent routing, barcode generation, and returns.

Additional Info

Core Tech:
  • Node.js
  • React.js
  • PostgreSQL
  • AWS Cloud Infrastructure
  • NetworkX
Country:

United Kingdom United Kingdom

Testimonials

Testimonials

Carl-Fredrik Linné                                            Sweden

The solutions they’re providing is helping our business run more smoothly. We’ve been able to make quick developments with them, meeting our product vision within the timeline we set up. Listen to them because they can give strong advice about how to build good products.

Darrin Lipscomb Darrin Lipscomb
Darrin Lipscomb United States

We are a software startup and using Devox allowed us to get an MVP to market faster and less cost than trying to build and fund an R&D team initially. Communication was excellent with Devox. This is a top notch firm.

Daniel Bertuccio Daniel Bertuccio
Daniel Bertuccio Australia

Their level of understanding, detail, and work ethic was great. We had 2 designers, 2 developers, PM and QA specialist. I am extremely satisfied with the end deliverables. Devox Software was always on time during the process.

Trent Allan Trent Allan
Trent Allan Australia

We get great satisfaction working with them. They help us produce a product we’re happy with as co-founders. The feedback we got from customers was really great, too. Customers get what we do and we feel like we’re really reaching our target market.

Andy Morrey                                            United Kingdom

I’m blown up with the level of professionalism that’s been shown, as well as the welcoming nature and the social aspects. Devox Software is really on the ball technically.

Vadim Ivanenko Vadim Ivanenko
Vadim Ivanenko Switzerland

Great job! We met the deadlines and brought happiness to our customers. Communication was perfect. Quick response. No problems with anything during the project. Their experienced team and perfect communication offer the best mix of quality and rates.

Jason Leffakis Jason Leffakis
Jason Leffakis United States

The project continues to be a success. As an early-stage company, we're continuously iterating to find product success. Devox has been quick and effective at iterating alongside us. I'm happy with the team, their responsiveness, and their output.

John Boman John Boman
John Boman Sweden

We hired the Devox team for a complicated (unusual interaction) UX/UI assignment. The team managed the project well both for initial time estimates and also weekly follow-ups throughout delivery. Overall, efficient work with a nice professional team.

Tamas Pataky Tamas Pataky
Tamas Pataky Canada

Their intuition about the product and their willingness to try new approaches and show them to our team as alternatives to our set course were impressive. The Devox team makes it incredibly easy to work with, and their ability to manage our team and set expectations was outstanding.

Stan Sadokov Stan Sadokov
Stan Sadokov Estonia

Devox is a team of exepctional talent and responsible executives. All of the talent we outstaffed from the company were experts in their fields and delivered quality work. They also take full ownership to what they deliver to you. If you work with Devox you will get actual results and you can rest assured that the result will procude value.

Mark Lamb Mark Lamb
Mark Lamb United Kingdom

The work that the team has done on our project has been nothing short of incredible – it has surpassed all expectations I had and really is something I could only have dreamt of finding. Team is hard working, dedicated, personable and passionate. I have worked with people literally all over the world both in business and as freelancer, and people from Devox Software are 1 in a million.

FAQ

Also Asked

  • How can we avoid downtime or business risk when moving legacy applications to cloud or modernizing critical systems?

    Every modernization plan we deliver is built around one core promise: your operations continue to run smoothly. Before touching production, we simulate the migration in a sandbox that mirrors your live environment. Dependencies are mapped. Weak points are stress-tested. Data flows are validated end-to-end, so by the time a change happens, it’s no longer new. It’s practiced.

    We sequence the rollout in phases, apply canary or blue-green strategies where needed, and pair every change with real-time observability. Technical debt fades when every modernization decision aligns with the long-term integrity of the system.

  • Are we just replacing old systems with new ones that will create fresh technical debt?

    We begin by exposing entropy in your current environment, realized by fragile modules, layered dependencies, and undocumented logic that slows down engineering. Each legacy element is traced, audited, and assessed for impact before any change is applied.

    Then modern components are delivered with test coverage, telemetry, and traceability built in. Every refactor passes through automated quality gates, regression testing, security validation, and architecture reviews to maintain deployment stability, reduce production risks, and ensure consistent system performance throughout modernization.

    The outcome: reduced maintenance expenses by 30-50%, cut release cycles from months to days, improved platform performance by up to 40%, decreased technical debt remediation time by 60%, and more.

  • How do we avoid trading old technical debt for new complexity?

    Before we touch a system, we uncover the assumptions within it. As a result, our process creates a decision path: what should be refactored, what should be decommissioned, and what should be redeveloped.

    Every migration path includes automated linting, architectural fitness functions, regression testing, and CI/CD quality gates that validate behavior, performance, security, and service coupling before deployment. This approach reduces deployment-related incidents by up to 70%, improves release confidence, and shortens delivery cycles from weeks to days.

    The result is a controlled modernization strategy built around operational stability rather than disruption. Instead of moving fast and creating new technical debt, we modernize with precision, maintaining 99.9% platform availability while enabling scalable architectures, cleaner codebases, and long-term engineering flexibility.

  • How can we ensure that our modernization efforts actually support the long-term business plan, not just technical hygiene?

    Every architectural decision we make focuses on achieving exact, quantifiable business outcomes. That’s why we start by identifying where legacy friction is hindering growth: release cycles delayed by 40–60%, infrastructure and maintenance expenses inflated by 25–45%, and operational instability responsible for up to 70% of unplanned downtime and engineering firefighting efforts.

    From there, we align modernization milestones directly with business priorities and delivery KPIs. Whether the goal is to reduce customer onboarding time by 50%, speed up partner integrations from months to weeks, support 5–10x transaction growth, or expand into new markets without rebuilding core infrastructure, every modernization initiative is linked to a measurable operational and financial impact.

  • What does success look like at each stage, and how do we measure real progress, not just completed tasks?

    Each phase of our modernization playbook is tied to clear business signals: 0-70% shorter release cycles, test coverage increased to 75-90%, up to 60% fewer production defects, and onboarding times reduced by 30-50% through cleaner architecture and standardized engineering workflows.

    These are measurable indicators that are tracked in real time. We define exit criteria for each phase, ensure observability across systems, and provide regular demos with real data. You’ll see progress in the form of faster deployment, improved platform stability, and stakeholder confidence.

  • Can our internal teams keep up during the transition, or will they be overloaded and disrupted by modernization?

    Your teams will continue to focus on delivery. We design modernization as a parallel runway with mirrored environments, feature flag gating, and phased rollout.

    By introducing clean APIs, automated CI/CD pipelines, infrastructure-as-code practices, and regression coverage reaching 80–90% early in the process, we eliminate engineering friction instead of creating additional overhead. Teams typically achieve 3–5x faster deployment frequency, 40–60% shorter testing cycles, and significantly lower rollback rates as modernization progresses.

  • How do you maintain business continuity during system upgrades?

    We guarantee business continuity by executing strategic, phased rollouts and implementing robust wrapper APIs around existing modules. This methodology maintains continuous service availability and secures smooth daily operations while we build and deploy the modernized infrastructure in parallel.

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